In this article we will discuss about the physical association between two plants for mutual benefit. (a) Lichen: The well-known association between algae and fungi is the lichen. The lichens are of various forms and grow in various habitats like rocks, trees etc., but never grow in highly polluted areas like heart of most cities, etc. Though they live in [...]
In this article we will discuss about the classification of living organisms. Two-Kingdom System: With the advancement of knowledge on living world, scientists classified the living organisms into two groups: Plantae, i.e., Plant kingdom and Animalia, i.e., Animal kingdom. The Plantae is characterised by: 1. Nutrition depends on light energy, 2. Presence of rigid cell wall, and 3. Most of [...]
In this essay we will discuss about Cells of the Living Organisms. After reading this essay you will learn about:- 1. Subject Matter of the Cell 2. Historical Accounts of Cell 3. Cell Size 4. Cell Shape 5. Structure of the Cell 6. Structure of Prokaryotes. Contents: Subject Matter of Cell Historical Accounts of Cell The Cell Size The Cell [...]